Huge Toss up for my flex this week need help!

[mgravier]

I start 2 wr and 2 rb. and 1 flex

Starting line up
Calvin Johnson @MIN
Houshmanzahdah @SF

Chris Johnson HOU
Cadillac Williams @BUF

FLEX Options i need help to pick

Roy Williams NYG
Jonathan Stewart @ALT
Derreck Ward @BUF
Tim Hightower @JAC

Right now i have Roy Williams in there because its tough to sit someone like that after week 1. But im willing to change out my #2 RB just throw some ideas out there for me thanks

[SameSongNDance]

It would help if you had there opponents since I can't remember all of them. You might want to wait on Housh since it surfaced that he has a back injury and hasn't practiced for two consecutive days, usually not good news.